var sendgrid  = require('sendgrid')('wephoto', 'gbuRQxe236cO');

var email     = new sendgrid.Email({
  to:       'lifeng@xish.com',
  from:     'beeleelee@outlook.com',
  subject:  'Subject goes here',
  text:     'Hello world'
});
sendgrid.send(email, function(err, json) {
  if (err) { return console.error(err); }
  console.log(json);
});